๐Ÿ‡จ๐Ÿ‡ฆ GST Calculator Canada 2026: GST/HST/PST & Reverse Tax Updated 2026

Accurate tax tool for Alberta, BC, Ontario, Quebec & more. Instantly calculate GST, HST, QST, PST, reverse GST, and net amounts โ€“ 100% free for Canadians.
โž• Add Tax (Net โ†’ Gross)
๐Ÿ”„ Reverse GST (Gross โ†’ Net)
๐Ÿ’ต Before tax amount: $0.00
๐Ÿ“Š Tax (GST/HST/PST/QST): $0.00
๐Ÿ’ฐ Total after tax: $0.00
* Provincial rates updated for 2026 tax season. GST is 5% federally.

Canadian GST/HST & PST breakdown

Province / RegionGST RatePST / QST / HSTTotal Tax Rate
Alberta5%0% PST5%
British Columbia5%7% PST12%
Ontario5% (included in HST)HST 13%13%
Quebec5%9.975% QST*~14.975% (sequential)
Manitoba5%7% PST12%
Saskatchewan5%6% PST11%
Nova Scotia / NB5% (in HST)HST 15%15%

*Quebec QST is calculated on the price including GST (effective ~14.975% on base). Our calculator follows official CRA/Revenu Quรฉbec method.

How to calculate GST in Canada (2026 guide)

โœ… 3-step formula (GST only, Alberta style):
GST = Amount ร— 0.05 | Total = Amount + GST
Example: $200 ร— 0.05 = $10 GST โ†’ Total $210.
โœ… GST + PST (BC, Manitoba, Saskatchewan):
Total tax = Amount ร— (0.05 + PST rate). BC: $400 ร— 0.12 = $48 tax โ†’ $448 total.
โœ… HST (Ontario, Nova Scotia, NB):
Tax = Amount ร— HST rate (0.13 or 0.15). Simple unified sales tax.
Ontario: $1000 ร— 0.13 = $130 HST โ†’ $1,130 total.
โœ… Quebec QST sequential method:
GST = Base ร— 0.05, QST = (Base + GST) ร— 0.09975, total tax = GST+QST. Our tool does it automatically.
๐Ÿ”„ Reverse GST calculator (from total amount):
To find pre-tax price: divide total by (1 + combined tax rate). Works for HST/PST/GST-only. Perfect for invoices.

Exclusive 2026 insights: New housing rebate, quick method & credits

GST New Housing Rebate (2026): If you buy a new home in Canada (up to $450,000), you may claim a rebate for a portion of GST/HST. Use our gst new housing rebate calculator mindset โ€” up to 36% of GST paid. Keep receipts for CRA filings.
Quick Method for small businesses: Eligible businesses remit lower GST/HST. For 2026, the quick method remittance rates range from 3.6% to 5.0% depending on sector. Saves accounting time.
GST/HST Credit 2026: Low- and modest-income Canadians receive quarterly tax-free payments. Amounts indexed to inflation โ€“ up to $519 (single) annually. No separate application needed when you file taxes.
Pro Tip โ€“ Reverse GST calculation in BC & Alberta: For BC, if total is $1,120, reverse calculation: base = 1120 / 1.12 = $1,000. For Alberta, base = total / 1.05. Use our toggle above for instant reverse GST.

Frequently asked questions about GST calculator Canada

1. What is the difference between GST, HST and PST?
GST (5% federal) applies across Canada. HST combines GST and provincial sales tax in participating provinces (Ontario 13%, Atlantic 15%). PST is a separate provincial tax (BC, Saskatchewan, Manitoba, Quebec QST).
2. How do I calculate GST from total amount in Alberta?
Reverse GST: total amount รท 1.05 = pre-tax amount. For example, total $210 รท 1.05 = $200 base, GST = $10. Our reverse GST calculator does this automatically.
3. Is GST charged on used goods in Canada?
Generally yes, GST/HST applies to most used goods sold by businesses. Private sales may not require tax, but used vehicles from dealers include GST/PST/HST.
4. How is QST calculated in Quebec for 2026?
QST rate is 9.975% and applies to the selling price plus GST. Example: $1000 base: GST = $50, QST = ($1050)*0.09975 โ‰ˆ $104.74, total = $1154.74. Our calculator provides exact QST breakdown.
5. Can I use this GST calculator for business invoicing?
Yes, it supports both net-to-gross and reverse GST functions, perfect for small businesses, freelancers and contractors across Canada. Always verify with a tax professional.
6. What is the GST rate in BC 2026?
BC has 5% GST + 7% PST = total 12% sales tax on most goods. Our BC-specific calculator mode ensures accuracy.
7. How often does CRA update GST/HST rates?
Rates remain stable unless legislation changes. For 2026, federal GST remains 5%. Provincial rates unchanged except annual indexation for QST. We keep our tool updated.